Background: Viral hepatitis is a serious public health problem affecting billions of people globally. The Hepatitis B virus (HBV) and Hepatitis C virus (HCV) are blood borne pathogens, frequently causing deaths among general and various high risk populations. This study was carried out with the aim to determine the seroprevalence of HBV and HCV in people who inject drugs (PWID) and other risk groups. Methods: A cross-sectional study carried out in the Dept. of Microbiology, RIMS, Imphal from October 2014 to September 2016. 103 high risk individuals, including PWID, spouse of high risk people, unprotected sex with female sex worker (FSW), multiple partners (MP), men having sex with men (MSM) and needle prick injuries were included in this study. Serum samples were tested using Enzyme linked immunosorbent assay (ELISA). Results: Out of 103 cases, 87.4% were males and 12.6% females. PWID comprised of 49.5%. Seroprevalence of HBV was 17.4%, anti HBc IgG 16.5% and anti HBc IgM 0.9%. Seroprevalence of HCV was 41.7%, anti HCV IgG 39.8% and anti HCV IgM 1.9%. The rate of HBV and HCV coinfection was 9.7%. Among the PWID seroprevalence of HBV and HCV was 17.6% and 64.7% respectively. Conclusions: This study determines the current status of acute and chronic infection with HBV and HCV in high risk populations. Anti HBc IgG & IgM and anti HCV IgG and IgM are sensitive epidemiological markers to determine the burden of the disease.

Background: Hepatitis D virus (HDV) infection is present worldwide. Around 18 million people are estimated to be infected with HDV and can infect individuals with active HBV infection and cause severe liver disease. There is lack of data on the prevalence of HDV infection in the state and also in the region. The aim of the study was to determine the seroprevalence of HDV in HBsAg positive patients attending Regional Institute of Medical Sciences Hospital, Imphal, Manipur, India.Methods: This study was carried out in a tertiary care hospital (Regional Institute of Medical Sciences, Imphal).The study was done for a period of 2 years from September 2016 to August 2018. A total of 119 HBsAg ELISA positive cases were included in the study.Results: Out of 119 HBsAg positive cases, 5 cases were positive for hepatitis D antibodies, of which 3 were positive for anti-Hepatitis D virus IgM and 2 were positive for anti-Hepatitis D virus IgG. Seroprevalence of HDV infection was found to be 4.2%.Conclusions: Seroprevalence of HDV infection was found to be 4.2% which is higher than the finding in some of the recent studies in the country.

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